HashiCorp Consul and Consul Enterprise 1.4.1 through 1.6.2 did not uniformly enforce ACLs…
Priority LOW 27CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-863.
Summary
HashiCorp Consul and Consul Enterprise 1.4.1 through 1.6.2 did not uniformly enforce ACLs across all API endpoints, resulting in potential unintended information disclosure. Fixed in 1.6.3.
Why it matters now
EPSS 0.01412 72nd percentileScored 2026-11-07
Fix Fixed github.com/hashicorp/consul (Go): 1.6.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/hashicorp/consul (Go) | 1.4.1 to before 1.6.3 | 1.6.3 | Patch available | GHSA-r9w6-rhh9-7v53 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/hashicorp/consul (Go) Vendor— Affected 1.4.1 to before 1.6.3 Fixed in 1.6.3 Patch available GHSA-r9w6-rhh9-7v53
Remediation
- Fix · GHSA-r9w6-rhh9-7v53 github.com/hashicorp/consul (Go) Fixed in 1.6.3 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 2 products
- OpenShift Service Mesh 1
- Red Hat Fuse 7
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7955
- 2026-10-03 Alias added: GHSA-r9w6-rhh9-7v53
References
More HashiCorp Consul vulnerabilities
- TI-2021-18437 HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4… CVSS 3.1HIGH 8.8
- TI-2022-11698 HashiCorp Consul and Consul Enterprise up to 1.9.16, 1.10.9, and 1.11.4 may allow server… CVSS 3.1HIGH 7.5
- TI-2021-02215 An issue was discovered in GoGo Protobuf before 1.3.2. CVSS 3.1HIGH 8.6
- TI-2024-09286 Consul L7 Intentions Vulnerable To Headers Bypass CVSS 3.1HIGH 8.3
- TI-2023-02638 Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner CVSS 3.1HIGH 8.7
- TI-2022-03595 Consul Peering Imported Nodes/Services Leak CVSS 3.1HIGH 7.5
Sources
- CVE-2020-7955 · CVE Program
- CVE-2020-7955 · NVD
- FIRST EPSS
- GHSA-r9w6-rhh9-7v53 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-7955 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences